document.write("« Going-Down functors and the K\"unneth formula for crossed products by \'etale groupoids. (arXiv:1810.04415v1 [math.OA])");document.write(" | ");document.write("Green's function for higher-order boundary value problems involving a nabla Caputo fractional operator. (arXiv:1810.04628v1 [math.CA]) »");